CVE-2017-18893 — Cross-site Scripting in Mattermost Mattermost-server

CWE-79 — Cross-site Scripting5 documents4 sources
Severity
6.1MEDIUMNVD
EPSS
0.4%
top 41.86%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Github.com Mattermost Mattermost-serverMattermost Server
Timeline
PublishedJun 19
Latest updateJan 13

Description

An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. Display names allow XSS.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.7

Affected Packages2 packages

▶NVDmattermost/mattermost_server4.1.0 — 4.1.1+2
▶Gogithub.com/mattermost_mattermost-server4.1.0+incompatible — 4.1.1+incompatible+5

🔴Vulnerability Details

4
OSV
Mattermost Server is vulnerable to XSS through display name field in github.com/mattermost/mattermost-server↗2026-01-13
▶
OSV
Mattermost Server is vulnerable to XSS through display name field↗2022-05-24
▶
GHSA
Mattermost Server is vulnerable to XSS through display name field↗2022-05-24
▶
CVEList
CVE-2017-18893: An issue was discovered in Mattermost Server before 4↗2020-06-19
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CVE-2017-18893 — Cross-site Scripting | cvebase